By now he probably knows what happened to his friend.

"Now we know at least part of what happened to your friend."

That is exactly what happened to my friend at school.

We just want to find out what happened to our friend there.

Was I doing okay with what happened to my friends.

My wife began telling me what had happened to our various friends.

If such things will start happening to my friends, too?

And now, thinking of what happened to his two friends, she understood.

"If the police are brought into this, I cannot promise what will happen to your friend."

But she didn't have the energy to be so organized tonight, not after seeing what had happened to her old friend.